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CDK9-IN-33 (compound C35) is a potent, selective, and orally bioavailable CDK9 inhibitor with IC50 values of 17.44 nM for CDK9, 160 nM for CDK7, 316.30 nM for CDK2, 1771.00 nM for CDK4, and >10000 nM for CDK6. This compound induces apoptosis (cell apoptosis) and reduces the protein expression of RPB1 CTD Ser2, RPB1, and MCL1, exhibiting antitumor activity.

| Description | CDK9-IN-33 (compound C35) is a potent, selective, and orally bioavailable CDK9 inhibitor with IC50 values of 17.44 nM for CDK9, 160 nM for CDK7, 316.30 nM for CDK2, 1771.00 nM for CDK4, and >10000 nM for CDK6. This compound induces apoptosis (cell apoptosis) and reduces the protein expression of RPB1 CTD Ser2, RPB1, and MCL1, exhibiting antitumor activity. |
| Targets&IC50 | CDK9:17.44 nM, CDK4:1771.00 nM, CDK2:316.30 nM, CDK7:160 nM, CDK6:>10000 nM |
| In vitro | CDK9-IN-33 (compound C35) at concentrations of 0, 0.01, 0.1, and 1 µM for 24 hours reduces the protein expression of RPB1 CTD Ser2, RPB1, and MCL1 while enhancing the expression of cleaved PARP. Additionally, CDK9-IN-33 at the same concentrations lowers MCL1 gene mRNA levels. Over 72 hours, CDK9-IN-33 induces apoptosis in a dose-dependent manner. |
| In vivo | CDK9-IN-33 (10 mg/kg; p.o.; daily for 10 days) demonstrates antitumor activity in mice. |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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